https://www.teacherspayteachers.com/Product/Chemistry-Lab-Precipitation-Reactions-2464571

Precipitation Reaction Lab Lesson with WS and Exit Ticket makes a great day to learn how to predict precipitates.

Then follow up with the Precipitation Challenge where students determine the identity of each drop bottle solution.

https://www.teacherspayteachers.com/Product/Chemistry-Lab-Precipitation-Reactions-Challenge-2750855