Answer
This is a double replacement reaction.
Work Step by Step
In a double replacement reaction, the positive ions in the reacting compounds switch places.
The pattern for that type of reaction is: $AB + CD --\gt AD + CB$
The reaction describe in the exercised can be represented by:
$AgNO_3(aq) + KBr(aq) --\gt AgBr(s) + KNO_3(aq)$
Therefore, we can classify this as a double replacement reaction.
