How to introduce my female adult cat to my new young male cat?

My mom and aunt have a 13 year old female cat-- and I am moving in with them and have a 1 1/2 year old male tabby that is coming with me. Skye (female calico) is dominant of her home, and is not used to other pets in her home. Rascal is pretty submissive-- with our other male cat-- but i dont know how they are... show more My mom and aunt have a 13 year old female cat-- and I am moving in with them and have a 1 1/2 year old male tabby that is coming with me. Skye (female calico) is dominant of her home, and is not used to other pets in her home. Rascal is pretty submissive-- with our other male cat-- but i dont know how they are going to react--

any insight on this is welcome--
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