Answer: Chemical equation given is not balanced.
Step-by-step explanation:
When a chemical reaction equation has equal number of atoms on both reactant and product side then the equation is known as balanced chemical equation.
For example, the given equation is

Number of atoms on reactant side are as follows.
Ag = 1
= 1
Na = 1
Cl = 1
Number of atoms on product side are as follows.
Ag = 4
= 4
Na = 1
Cl = 1
Therefore, the atoms are not equal on both reactant and product side.
Thus, we can conclude that the given reaction equation is not balanced.