Question

What is the oxidation half-reaction for Mg(s)+ZnCL2(aq)>MgCL2(aq)+Zn(s)?

Answer 1

Oxidation is the loss of electrons. Which of the half reactions has lost electrons. Write each one.
Mg(s) ==> Mg^2+(aq) + 2e
Zn^2+(aq) + 2e ==> Zn(s)