Copper will not react with hydrochloric acid for the simple reason it's below hydrogen in the reactivity series. So, copper cannot replace the hydrogen in HCl to form CuCl2 . Hence, when copper (Cu) reacts with hydrochloric acid (HCl) there will be no reaction.
Not so, with HNO3 -- if you've ever dropped a penny into nitric acid ...
Cu. (s)+HCl(aq)
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