$ sudo apt-get remove kalzium 

Uninstall kalzium including dependent package

If you would like to remove kalzium and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove kalzium 

Use Purging kalzium

If you use with purge options to kalzium package all the configuration and dependent packages will be removed.

$ sudo apt-get purge kalzium 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove kalzium 

See Also,