a student is given a 1.3672g of an unknown copper compound. isolation by displacement by Mg 0.6057g of Cu?

If you expect an answer Ernesto you need to copy the whole question

1.3672g of an unknown copper compound. Isolated displacement followed by Mg, .6067g of Cu metal recovered.?What is percentage of Cu in sample? What is the formula of the weight of the compound?

% Cu = .6057 / 1.3672 = 44.3% Cu

(63.5463 g Cu/mol) / (0.443) = 143 g/mol molar mass of the compound

we need more info to get the the formula and then the formula mass