Answer:
Step-by-step explanation:
Yes it is, unless you were supposed to add the states that the chemicals are in (which ( doubt)).
The left Hand Side
2 AgNO3
there are 2 Ags
The 2 also affects the NO3 so there are two NO3s
MgCl2
There is one Mg
There are 2 Cls
====================
Right hand side
2Ag Cl
2 Ags
and the 2 also affects the Cl so there are 2 Cls
Mg(NO3)2
There is one Mg [just as there is on the left]
There are 2 NO3s just as there are on the left.
