Please visit the end-user support chat. This is a community chat. Microsoft does not actively monitor it.
Also look in the Troubleshooting guide.
Check the CMake Tools issue tracker and What's New to see if your issue is already known/solved before submitting a question or bug report. Feel free to Open a Github issue if your problem hasn't been reported.
Explore the CMake Tools documentation
CMake Tools was created separately from the CMake extension, which provides language coloring and autocompletion support.
CMake Tools is not the same as CMake. There are many great resources around to learn how to use CMake. See Jason Turner's C++ Weekly - Intro to CMake for a good video introduction.
CMake's documentation is also available.
See Pass command-line arguments to the debugger
See the How To.