Final answer:
When silver reacts with magnesium nitrate, it forms silver nitrate and magnesium.
Step-by-step explanation:
When silver reacts with magnesium nitrate, an ionic reaction occurs in which silver replaces magnesium in the compound. The balanced chemical equation for the reaction is:
2Ag + Mg(NO3)2 → 2AgNO3 + Mg
This reaction shows that silver reacts with magnesium nitrate to form silver nitrate and magnesium.