net ionic resources
Students, please visit http://www.cofc.edu/genchemlab/ionic.htm
http://student.ccbcmd.edu/~cyau1/HowtoWriteIonicEqns.htm
and http://www.sparknotes.com/testprep/books/sat2/chemistry/chapter6section3.rhtml for help with net ionic equations.
Sometimes, solubility rules are not as inclusive as one might hope. Please see http://www.csudh.edu/oliver/chemdata/solrules.htm for a more complete list. Alternatively, you might consult http://www.ausetute.com.au/solrules.html