Speak with an attorney and completly remove his drinking or not from the situation. There's so much that goes into asking the other party to leave the home. Can he afford the place?..can you afford the place?..ect.. i'm a residential property investor(rental) and it's a %$^%$ when a couple splits up married or not. When there's joint home ownership it gets even harder in a breakup. There's the equity(-/+)..You need to speak with an attny, if this is what you want to do.