@Orchid orchid if it's your house I wouldn't think so. I had to battle to keep my dad in full time care. I was shocked when "the panel" decided to send him home " to see if he'd improve in familiar surroundings" as he hadn't recognised his own home for some time! I simply said that I wasn't going to be involved in his care anymore and dad's social worker managed to convince the panel (I assume they held the purse strings) to let him stay in the carehome. There was no way my dad could have coped without 24hr care. He didn't have a clue what was going on or how to care for himself. Fortunately he had a good social worker who was prepared to fight for us.
Just keep saying no. If anyone thinks "no" means "maybe" that's when the problems start. Getting your mum into a carehome in the first place is a big part of the battle.