Mg2 + 4 AgNO3 → 2 Mg(NO3)2 + 2 Ag2
This is an oxidation-reduction (redox) reaction:
4 AgI + 4 e- → 4 Ag0 (reduction)
2 Mg0 - 4 e- → 2 MgII (oxidation)
AgNO3 is an oxidizing agent, Mg2 is a reducing agent.
Warning: Unknown compound 'Mg2'
Warning: Unknown compound 'Ag2'