Frostburg State University
General Chemistry Online: Reactions in Solution
Resource provides a set of 18 slides that discuss chemical reactions in solution. Slides 15-18 discuss metathesis (double replacement) reactions, including formation of insoluble precipitate.
Science Struck
Science Struck: Examples of Single Replacement Reactions
Explains what a single replacement, or displacement, reaction is; describes the two types - cation and anion replacement reactions; and gives examples of chemical reaction equations for each.
Georgia State University
Georgia State University: Hyper Physics: Precipitation Reactions
This site from Georgia State University discusses the precipitation reactions and deals with the lead iodide product. Links are provided to information on double replacement reactions as well as ionic compounds. Not too in-depth, this is...