You will receive a notice of assessment from the IRS indicating you owe taxes on the forgiveness of debt and the 1099-R retirement income.
In regards to the 1099-C. You will be better off to go through the steps of filing out IRS Form 982 and presenting that you were insolvent (if possible) right before the property was lost.
Also, look at the following attached website:
IRS Form 982
IRS Publication 4681
The process is complicated; however, it will help protect you from the tax. You may want to get a qualified CPA to help you through the process.
If you have any further questions, please do not hesitate to contact me.
If you can try to not get the notice even if you have to amend your 2009 tax return if already filed.