Solid magnesium reacts with aqueous copper(I) sulfate to form aqueous magnesium sulfate and solid copper. Express your answer as a chemical equation including phases. a) Mg + CuSO₄ → MgSO₄ + Cu b) MgSO₄ + Cu → Mg + CuSO₄ c) Mg + CuSO₄ → Cu + MgSO₄ d) CuSO₄ + Mg → Cu + MgSO₄