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"Ojalá" is a form of "ojalá", an interjection which is often translated as "hopefully". "I" is a noun which is often translated as "i". Learn more about the difference between "i" and "ojalá" below.
la i()
A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
ojalá()
An interjection is a short utterance that expresses emotion, hesitation, or protest (e.g., Wow!).
a. hopefully
Escuché que mañana llega tu hijo. - ¡Ojalá!I heard that your son arrives tomorrow. - Hopefully!
b. if only
Dijeron que van a cancelar clases mañana por la nieve. - ¡Ojalá!They said classes will be canceled tomorrow because of the snow. - If only!
c. I hope so (first person singular)
Parece que hoy será un día lindo por fin. - ¡Ojalá!It looks like today will finally be a nice day. - I hope so!
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
b. I hope (first person singular)
La propuesta estará lista para la 1 pm. - ¡Ojalá tengas razón!The proposal should be ready by 1 pm. - I hope you're right!
c. let's hope (first person plural)
¡Ojalá tengamos buen tiempo el fin de semana!Let's hope there's good weather this weekend!