1. Download the following .deb files from https://launchpad.net/~tista/+archive/ubuntu/wayland/+build/8927526 to any folder.
gir1.2-ibus-1.0_1.5.12+git20160201-0ubuntu1-xenial1_amd64.deb
ibus_1.5.12+git20160201-0ubuntu1-xenial1_amd64.deb
ibus-gtk3_1.5.12+git20160201-0ubuntu1-xenial1_amd64.deb
ibus-gtk_1.5.12+git20160201-0ubuntu1-xenial1_amd64.deb
libibus-1.0-5_1.5.12+git20160201-0ubuntu1-xenial1_amd64.deb
2. cd to that folder where you downloaded the above files.
3. run the command 'sudo dpkg -i *.deb' on terminal .
4. run the command 'sudo apt-get install -f' on terminal.
Hopefully these 4 steps should solve the issue. At the time of writing this answer the version of ibus is 1.5.12. If you find newer versions, you might try.
Second approach: if you get any dipendency issue, follow the 2nd approach mentioned below.
if you use only one keyboard layout you can go to : System Settings > Language Support and change Keyboard input method at the bottom of the page from ibus to none.