Final answer:
The reaction 3 AgNO3 + K3PO4 → Ag3PO4 + 3 KNO3 is a double replacement reaction, where components between compounds are exchanged.
Step-by-step explanation:
The chemical reaction in the equation 3 AgNO3 + K3PO4 → Ag3PO4 + 3 KNO3 is a double replacement reaction. A double replacement reaction, also known as a metathesis reaction, involves the exchange of components between two compounds. In this reaction, the silver ions (Ag+) swap places with the potassium ions (K+), leading to the formation of silver phosphate (Ag3PO4) and potassium nitrate (KNO3).