On page 29 of the user manual: (Word suggestion toggled off will do what you want)
Go to Apps>>Settings>> Language and Input
LG Keyboard - Checkmark to select the LG Keyboard to enter text.
Tap to change the following settings.
Input language & type: Allows you to select the keyboard language and type.
Word suggestion: Allows you to set word prediction and auto word correction.
Auto capitalize: Checkmark so capitalize the first letter of the word automatically.
Auto punctuation: Checkmark to insert a period when double tapping the space key.
Voice typing key: Checkmark to display the Voice typing key on the keyboard.
Touch feedback: Allows you to set key preview, sound feedback, and vibrate feedback when typing.
Handwriting: Allows you to set the pen width, color, and delay time.
Path keyboard: Checkmark to enter a word by drawing a path through all the letters.
Hide keyboard: Checkmark to allow the keyboard to hide by swiping down.
Fuzzy pinyin: Checkmark to automatically correct common pinyin mistakes.
Software version: Displays the LG Keyboard software version.
You can download the entire manual here: