Arrange the three metals(Cu, Zn, and Mg) in order of their relative strengths as reducing agents, placing the strongest first.

Question

Arrange the three metallic ions
( Cu(No3)2, Zn(No3)2, and Mg(No3)2 ) in order of their relative strengths as oxidizing agents, placing the strongest first. Write the reduction half-reaction for each ion.

Write net equations for the following:
a. the reaction of copper and zinc
b. the reaction of zinc and magnesium

please help as much as you can!! thanks sooo much!!!