All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
It is not clear whether the house belongs to you or to your wife, so there are two probabilities:
If the house is yours, your wife is disobedient by ordering you to leave, and you should not have left the house. Indeed Allaah has given the guardianship to the husband in his home, so you have to return to your home and follow the orders of Allaah in treating a disobedient wife and this is discussed in details in Fatwa: 83324.
If the house is hers, then she has the right to drive you out of the house, and she has the right to ask you to provide her with an accommodation and you are obliged to provide her with accommodation even by renting; and this is one of the means of solving your problem. If still the problem is not solved, then you have to seek to please her and seek the help of wise people of your family and hers in order to remind her about considering the benefit of the stability of the family and about taking into account your circumstances. We advise you to do your utmost to seek to provide her and her children with the means of sustenance. If again this is of no avail, and there is no other solution but to divorce her, then divorce her. Allaah says (interpretation of meaning): {But if they separate (by divorce), Allaah will provide abundance for every one of them from His Bounty. And Allaah is Ever All-Sufficient for His creatures' need, All-Wise.}[4: 130].
Allaah knows best.