cur - abil - i - ty
There are many reasons to learn how to divide curability into syllables. Separating a word like curability into syllables is mainly to make it easier to read and pronounce. The syllable is the smallest sound unit in a word, and the separation of the curability into syllables allows speakers to better segment and emphasize each sound unit.
Knowing how to separate curability into syllables can be especially useful for those learning to read and write, because it helps them understand and pronounce curability more accurately. Furthermore, separating curability into syllables can also be useful in teaching grammar and spelling, as it allows students to more easily understand and apply the rules of accentuation and syllable division.
In the case of the word curability, we find that when separating into syllables the resulting number of syllables is 4. With this in mind, it's much easier to learn how to pronounce curability, as we can focus on perfecting the syllabic pronunciation before trying to pronounce curability in full or within a sentence. Likewise, this breakdown of curability into syllables makes it easier for us to remember how to write it.