Mortgage recident permit visa?

I have recident permit visa ,i will apply next year for UK citizenship but we want to buy house with my british husband as a mortgage.Lenders dont let to me for apply a mortgage.my husband can apply. i am little bit upset this matter.i am not sure,if he buy this mortgage his name can he sale this house without me.if i have lost that house can i get council house myself with my baby.i am asking bec i am so confused.if divorce one day how much i have right.bec i am working and i will help to house.i dont want one day lost.if somebody knows please answer