Cat & Dog Advice!

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Okay so I got a cat about a month ago she's 5 months now. Her name is Daniela so my brother decided he wanted to get a puppy so we did.
He's 6 weeks, Roman. He's a husky very playful he had a cat that look exactly like mines at his previous home and he wants to play with Daniela since the cat at his previous home protected him. (He was the last one from his siblings so he was bullied)  
My question is how do I help the cat get along with him?