Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 5: Reactivity - Question 132

(Extension question) The word equations below represent some displacement reactions.

aluminium + copper sulfate → aluminium sulfate + copper
aluminium + lead nitrate → aluminium nitrate + lead
lead + copper sulfate → lead sulfate + copper
lead + silver nitrate → lead nitrate + silver

Decide if a reaction will take place when iron is placed in a solution of lead nitrate. If you think there will be a reaction, write the word equation.