Easy way to quickly locate the mouse pointer? [duplicate]
It's not an obvious setting, but you can mimic the Windows behavior of showing the mouse when you press the control key.
In the terminal, do
gsettings set org.gnome.settings-daemon.peripherals.mouse locate-pointer true
Now a little animation will indicate the location of the mouse anytime you tap the Control key:
(To turn it off, use false instead of true)
(Source)